Overview of species of the genus pyrus rosaceae from the flora of the caucasus ussr
Botanicheskii Zhurnal (St Petersburg) 75(6): 874-883
Data were presented on the species composition of the genus Pyrus in the Caucasus. The systematics of the genus and a key to Pyrus spp. were presented. The causes of the variability of the above genus in the Caucasus were analyzed.